n910w8 android ver 6.0.1 showing unlocked but still asking for code

i unlocked n910w8 android ver 6.0.1 with z3x but it still asking for unloking code i tried 00000000 and 12345678.

Operation: Unlock
Selected model: SM-N910W8
Selected port: COM8 SAMSUNG Mobile USB Serial Port
Software version: 25.9

Reading phone info...
Reading IMEI... OK
IMEI: 354595060351138
Unlocking... OK
Reseting... OK
Unlock done
Done with Samsung Tool PRO v.25.9